USSWE=0, URWE=0, UVSWE=0
SOPT1 Configuration Register
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| URWE | USB voltage regulator enable write enable 0 (0): SOPT1 USBREGEN cannot be written. 1 (1): SOPT1 USBREGEN can be written. |
| UVSWE | USB voltage regulator VLP standby write enable 0 (0): SOPT1 USBVSTBY cannot be written. 1 (1): SOPT1 USBVSTBY can be written. |
| USSWE | USB voltage regulator stop standby write enable 0 (0): SOPT1 USBSSTBY cannot be written. 1 (1): SOPT1 USBSSTBY can be written. |
| RESERVED | no description available |